You need to start with basic sketches of the figure, focusing on proportions. Pay attention to the details of the face, like the eyes and hair. Practice different poses and expressions for a more charming princess.
To draw a manga princess well, start by imagining her personality. That'll help you decide on her look and stance. Sketch the outline lightly, then add in the features gradually. Don't forget to add some unique accessories to make her stand out.
First, study the typical features of a princess in manga. This includes big, expressive eyes, a small nose, and full lips. Then, work on the hairstyle and clothing. Use light and shadow to add depth and make your princess look more three-dimensional.